Frac plug slip



FIG. 1 is a perspective vie of the frac plug slip showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a perspective view of the frac plug slip from an opposite end.

The broken lines in the drawings within the slip portion shown in solid lines represent unclaimed boundaries of the design. The broken lines showing the remainder of the frac plug are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a frac plug slip, as shown. 